381133033328 has 40 divisors (see below), whose sum is σ = 743979348048. Its totient is φ = 189138903552.

The previous prime is 381133033301. The next prime is 381133033357. The reversal of 381133033328 is 823330331183.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 381133033291 and 381133033300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13955975 + ... + 13983257.

Almost surely, 2^381133033328 is an apocalyptic number.

It is an amenable number.

381133033328 is a deficient number, since it is larger than the sum of its proper divisors (362846314720).

381133033328 is a wasteful number, since it uses less digits than its factorization.

381133033328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33801 (or 33795 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 381133033328 in words is "three hundred eighty-one billion, one hundred thirty-three million, thirty-three thousand, three hundred twenty-eight".